CF1763287301220-tsm20251116095642

WWW.RTSAK.COM - hkcert.org

Search for IP or hostnames:

hkcert.org checked at 2025-11-16T10:01:41.194Z 409ms 169/169/169 100% R:18 allDone:true timedOut:false

hkcert.org

MXmail1.hkcert.org
A165.84.191.187๐Ÿ‡ญ๐Ÿ‡ฐ HK Broadband Network
PTR165084191187.ctinets.com
MXmail2.hkcert.org
MXmail.hkcert.org
A165.84.191.189๐Ÿ‡ญ๐Ÿ‡ฐ HK Broadband Network
PTRmail.hkcert.org
NSdorthy.ns.cloudflare.com
A2606:4700:50::adf5:3af9 ๐Ÿ‡บ๐Ÿ‡ธ Cloudflare
PTRdorthy.ns.cloudflare.com
A2803:f800:50::6ca2:c0f9 ๐Ÿ‡จ๐Ÿ‡ท Cloudflare
PTRdorthy.ns.cloudflare.com
A2a06:98c1:50::ac40:20f9 ๐Ÿ‡บ๐Ÿ‡ธ Cloudflare
PTRdorthy.ns.cloudflare.com
A108.162.192.249๐Ÿ‡บ๐Ÿ‡ธ Cloudflare
PTRdorthy.ns.cloudflare.com
A172.64.32.249๐Ÿ‡บ๐Ÿ‡ธ Cloudflare
PTRdorthy.ns.cloudflare.com
A173.245.58.249๐Ÿ‡บ๐Ÿ‡ธ Cloudflare
PTRdorthy.ns.cloudflare.com
NSjoel.ns.cloudflare.com
A2606:4700:58::adf5:3bb8 ๐Ÿ‡บ๐Ÿ‡ธ Cloudflare
PTRjoel.ns.cloudflare.com
A2803:f800:50::6ca2:c1b8 ๐Ÿ‡จ๐Ÿ‡ท Cloudflare
PTRjoel.ns.cloudflare.com
A2a06:98c1:50::ac40:21b8 ๐Ÿ‡บ๐Ÿ‡ธ Cloudflare
PTRjoel.ns.cloudflare.com
A108.162.193.184๐Ÿ‡บ๐Ÿ‡ธ Cloudflare
PTRjoel.ns.cloudflare.com
A172.64.33.184๐Ÿ‡บ๐Ÿ‡ธ Cloudflare
PTRjoel.ns.cloudflare.com
A173.245.59.184๐Ÿ‡บ๐Ÿ‡ธ Cloudflare
PTRjoel.ns.cloudflare.com
MXhkcert-org.mail.protection.outlook.com
A2a01:111:f403:cc09:: ๐Ÿ‡ธ๐Ÿ‡ฌ Microsoft
PTRmail-sg2pr03cu00500.inbound.protection.outlook.com
A2a01:111:f403:cc09::1 ๐Ÿ‡ธ๐Ÿ‡ฌ Microsoft
A2a01:111:f403:cc1a::8 ๐Ÿ‡ฏ๐Ÿ‡ต Microsoft
PTRmail-tydpr03cu00100.inbound.protection.outlook.com
A2a01:111:f403:cc1f::4 ๐Ÿ‡ฏ๐Ÿ‡ต Microsoft
PTRmail-os8pr02cu00104.inbound.protection.outlook.com
A52.101.124.117๐Ÿ‡ฏ๐Ÿ‡ต Microsoft
PTRmail-tydpr03cu00105.inbound.protection.outlook.com
A52.101.137.0๐Ÿ‡ธ๐Ÿ‡ฌ Microsoft
PTRmail-sg2pr03cu00500.inbound.protection.outlook.com
A52.101.137.2๐Ÿ‡ธ๐Ÿ‡ฌ Microsoft
A52.101.157.80๐Ÿ‡บ๐Ÿ‡ธ Microsoft
PTRmail-os8pr02cu00100.inbound.protection.outlook.com
A2606:4700:10::6814:224 ๐Ÿ‡บ๐Ÿ‡ธ Cloudflare
A2606:4700:10::ac42:8051 ๐Ÿ‡บ๐Ÿ‡ธ Cloudflare
A104.20.2.36 Cloudflare
A172.66.128.81๐Ÿ‡บ๐Ÿ‡ธ Cloudflare

org

NSa0.org.afilias-nst.info
NSa2.org.afilias-nst.info
NSc0.org.afilias-nst.info
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSd0.org.afilias-nst.org
rank #403719 globally
rank #34894 in the tld

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AI analysis

The parent of mail1.hkcert.org, www.hkcert.org and mail.hkcert.org is hkcert.org.

hkcert.org maps to four IP numbers: 2606:4700:10::6814:224, 2606:4700:10::ac42:8051, 104.20.2.36 and 172.66.128.81.

Other host names, for instance www.hkcert.org, share IP numbers with hkcert.org.

Two name servers dorthy.ns.cloudflare.com and joel.ns.cloudflare.com handle the delegation for hkcert.org.

hkcert.org shares the same name server setup as other domains, for instance paintsanclemente.com, nve.lt, tytsport.com, wettfair.com and whmedium.com.

hkcert.org at least partially shares name servers with other domains, for instance huayijzzs.com, energyottawa.com, gkm2.com.au, executiveboardroom.net and ippost.com.

These name servers are commonly used alongside rayden.ns.cloudflare.com, daphne.ns.cloudflare.com and april.ns.cloudflare.com.

Six IP addresses per host:

dorthy.ns.cloudflare.com points to 2606:4700:50::adf5:3af9, 2803:f800:50::6ca2:c0f9, 2a06:98c1:50::ac40:20f9, 108.162.192.249, 172.64.32.249 and 173.245.58.249; joel.ns.cloudflare.com points to 2606:4700:58::adf5:3bb8, 2803:f800:50::6ca2:c1b8, 2a06:98c1:50::ac40:21b8, 108.162.193.184, 172.64.33.184 and 173.245.59.184

hkcert.org is handled by four mail servers: mail1.hkcert.org, mail2.hkcert.org, mail.hkcert.org and hkcert-org.mail.protection.outlook.com.

hkcert.org shares some mail servers with other domains, including hkcert.hk, cert.org.hk, hongkongcert.org and hkcert.org.hk.

these mail servers are commonly used together with mail1.hkcer.org.

Host names with a single IP: mail1.hkcert.org points to: 165.84.191.187.

Host names with eight IPs: hkcert-org.mail.protection.outlook.com points to: 2a01:111:f403:cc09::, 2a01:111:f403:cc09::1, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0, 52.101.137.2 and 52.101.157.80.

Host names with a single IP: mail.hkcert.org points to: 165.84.191.189.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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